34 lines
1.1 KiB
Java
34 lines
1.1 KiB
Java
package eu.openaire.urls_controller.util;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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public class GenericUtils {
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private static final SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd 'at' HH:mm:ss.SSS z");
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public static String getReadableCurrentTimeAndZone() {
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return (simpleDateFormat.format(new Date(System.currentTimeMillis())));
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}
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public static int getRandomNumber(int min, int max) {
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return (int)(Math.random() * (max - min +1) + min);
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}
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public static String getSelectiveStackTrace(Throwable thr, String initialMessage, int numOfLines)
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{
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StackTraceElement[] stels = thr.getStackTrace();
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StringBuilder sb = new StringBuilder(numOfLines *100);
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if ( initialMessage != null )
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sb.append(initialMessage).append(" Stacktrace:").append("\n"); // This StringBuilder is thread-safe as a local-variable.
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for ( int i = 0; (i < stels.length) && (i <= numOfLines); ++i ) {
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sb.append(stels[i]);
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if (i < numOfLines) sb.append("\n");
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}
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return sb.toString();
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}
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}
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